Terrible dust storm in Doha

I am sitting in the flat behind closed doors and everything smells dusty  - like when you clean a carpet .. the visibility in my rooms became bad ...and luckily in some rooms it is OK so far ..
 I have never experienced so bad dust storm .

 What can we do to protect ourselves ? 
 switch of fans and AC -es
 put a mask on your face that filters dust or at least a dump bandana
 go to a higher place if you can ... 

 put dump clothes on the window AC -es( switched off)

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 Saud Arabia announced school holiday for tomorrow
Will there be   no school in Qatar too ?
Some on the FB says that school is canceled for Thursday
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 I just read that the visibility on Salwa road is zero .
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 No school today Thursday April 2!

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 we can expect some relief from 10 am today

Massive duststorm envelopes Qatar http://t.co/GnnjdFivD5 pic.twitter.com/RpeakyBAS6
— Gulf-Times (@GulfTimes_QATAR) April 1, 2015h